diff --git a/action.yml b/action.yml
index e081428a..6e9187b2 100644
--- a/action.yml
+++ b/action.yml
@@ -123,6 +123,13 @@ inputs:
     description: Additional query parameters
     default: "{}"
   
+  # Define additional CSS that will be injected in used template
+  # Example:
+  # config_
+  extras_css:
+    description: Extra CSS
+    default: ""
+  
   # Timezone used by metrics
   # See https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
   config_timezone:
diff --git a/settings.example.json b/settings.example.json
index 4a3928c4..d5fe8854 100644
--- a/settings.example.json
+++ b/settings.example.json
@@ -25,6 +25,10 @@
     "default": "classic",          "//": "Default template",
     "enabled": [],                 "//": "Enabled templates (empty to enable all)"
   },
+  "extras": {
+    "default": false,              "//": "Default extras state (advised to let 'false' unless in debug mode)",
+    "css": false,                  "//": "Allow use of 'extras.css' option"
+  },
   "plugins.default": false,        "//": "Default plugin state (advised to let 'false' unless in debug mode)",
   "plugins": {                     "//": "Global plugin configuration",
     "isocalendar":{